142619107 has 4 divisors (see below), whose sum is σ = 145036440. Its totient is φ = 140201776.

The previous prime is 142619101. The next prime is 142619119. The reversal of 142619107 is 701916241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142619107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142619101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1208578 + ... + 1208695.

It is an arithmetic number, because the mean of its divisors is an integer number (36259110).

Almost surely, 2^142619107 is an apocalyptic number.

142619107 is a deficient number, since it is larger than the sum of its proper divisors (2417333).

142619107 is an equidigital number, since it uses as much as digits as its factorization.

142619107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417332.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 142619107 is about 11942.3241875273. The cubic root of 142619107 is about 522.4674485036.

The spelling of 142619107 in words is "one hundred forty-two million, six hundred nineteen thousand, one hundred seven".